N-(5-(2-(benzyl(1-(4-(4-(4-(3,4-dimethoxyphenyl)-1-oxo-4a,5,6,7,8,8a-hexahydrophthalazin-2(1H)-yl)butoxy)phenyl)propan-2-yl)amino)-1-hydroxyethyl)-2-(benzyloxy)phenyl)formamide